650331139 has 2 divisors, whose sum is σ = 650331140. Its totient is φ = 650331138.

The previous prime is 650331089. The next prime is 650331161. The reversal of 650331139 is 931133056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 650331139 - 2¹¹ = 650329091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 650331139.

It is not a weakly prime, because it can be changed into another prime (650331839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325165569 + 325165570.

It is an arithmetic number, because the mean of its divisors is an integer number (325165570).

Almost surely, 2^650331139 is an apocalyptic number.

650331139 is a deficient number, since it is larger than the sum of its proper divisors (1).

650331139 is an equidigital number, since it uses as much as digits as its factorization.

650331139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 650331139 is about 25501.5909111569. The cubic root of 650331139 is about 866.3861806508.

The spelling of 650331139 in words is "six hundred fifty million, three hundred thirty-one thousand, one hundred thirty-nine".